Photoisomerization behavior of photochromic amide-based azobenzene dyes exhibiting H-bonding effect: Synthesis and characterization
Amide linkage was introduced into azo compound at para position and its optical storage properties were investigated. Synthesized compounds showed liquid crystalline behavior when electron withdrawing group was inserted in the chemical structure. UV/Vis study showed that the photoisomerization eff...
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2016
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| Online Access: | http://irep.iium.edu.my/51073/ http://irep.iium.edu.my/51073/1/44._Korean_Journal_of_Chemical_Engineering.pdf http://irep.iium.edu.my/51073/4/51073-Photoisomerization_behavior_of_photochromic_amide-based_SCOPUS.pdf http://irep.iium.edu.my/51073/5/51073-Photoisomerization_behavior_of_photochromic_amide-based_WOS.pdf |
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| author | Hegde , Gurumurthy Rajkumar, Yuvaraj Aralapura Gan , Siew Mei ., Syed Mahmood Mandal, Uttam Kumar Sudhakar, Achalkumar Ammathnadu |
| author_facet | Hegde , Gurumurthy Rajkumar, Yuvaraj Aralapura Gan , Siew Mei ., Syed Mahmood Mandal, Uttam Kumar Sudhakar, Achalkumar Ammathnadu |
| author_sort | Hegde , Gurumurthy |
| building | IIUM Repository |
| collection | Online Access |
| description | Amide linkage was introduced into azo compound at para position and its optical storage properties were
investigated. Synthesized compounds showed liquid crystalline behavior when electron withdrawing group was
inserted in the chemical structure. UV/Vis study showed that the photoisomerization effect in solution occurred at 18-24 sec (E-Z) and 5-11 hours (Z-E), whereas in solids it occurred at 30 sec (E-Z) and 5 hours (Z-E). Photoisomerization effect of amide based azodyes in the presence of hydrogen bonding is discussed for the first time. Effect of terminal electronic withdrawing groups on hydrogen bonding is speculated to be the reason behind the surprising behavior. Strong evidence for the structure property relations reported here is useful for applications such as optical storage device in which one can tune the structure according to one’s requirement. |
| first_indexed | 2025-11-14T16:26:44Z |
| format | Article |
| id | iium-51073 |
| institution | International Islamic University Malaysia |
| institution_category | Local University |
| language | English English English |
| last_indexed | 2025-11-14T16:26:44Z |
| publishDate | 2016 |
| publisher | Springer |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | iium-510732016-07-27T08:15:32Z http://irep.iium.edu.my/51073/ Photoisomerization behavior of photochromic amide-based azobenzene dyes exhibiting H-bonding effect: Synthesis and characterization Hegde , Gurumurthy Rajkumar, Yuvaraj Aralapura Gan , Siew Mei ., Syed Mahmood Mandal, Uttam Kumar Sudhakar, Achalkumar Ammathnadu RS Pharmacy and materia medica Amide linkage was introduced into azo compound at para position and its optical storage properties were investigated. Synthesized compounds showed liquid crystalline behavior when electron withdrawing group was inserted in the chemical structure. UV/Vis study showed that the photoisomerization effect in solution occurred at 18-24 sec (E-Z) and 5-11 hours (Z-E), whereas in solids it occurred at 30 sec (E-Z) and 5 hours (Z-E). Photoisomerization effect of amide based azodyes in the presence of hydrogen bonding is discussed for the first time. Effect of terminal electronic withdrawing groups on hydrogen bonding is speculated to be the reason behind the surprising behavior. Strong evidence for the structure property relations reported here is useful for applications such as optical storage device in which one can tune the structure according to one’s requirement. Springer 2016-04 Article PeerReviewed application/pdf en http://irep.iium.edu.my/51073/1/44._Korean_Journal_of_Chemical_Engineering.pdf application/pdf en http://irep.iium.edu.my/51073/4/51073-Photoisomerization_behavior_of_photochromic_amide-based_SCOPUS.pdf application/pdf en http://irep.iium.edu.my/51073/5/51073-Photoisomerization_behavior_of_photochromic_amide-based_WOS.pdf Hegde , Gurumurthy and Rajkumar, Yuvaraj Aralapura and Gan , Siew Mei and ., Syed Mahmood and Mandal, Uttam Kumar and Sudhakar, Achalkumar Ammathnadu (2016) Photoisomerization behavior of photochromic amide-based azobenzene dyes exhibiting H-bonding effect: Synthesis and characterization. Korean Journal of Chemical Engineering, 33 (4). pp. 1480-1488. ISSN 0256-1115 E-ISSN 1975-7220 http://link.springer.com/article/10.1007/s11814-015-0259-8 10.1007/s11814-015-0259-8 |
| spellingShingle | RS Pharmacy and materia medica Hegde , Gurumurthy Rajkumar, Yuvaraj Aralapura Gan , Siew Mei ., Syed Mahmood Mandal, Uttam Kumar Sudhakar, Achalkumar Ammathnadu Photoisomerization behavior of photochromic amide-based azobenzene dyes exhibiting H-bonding effect: Synthesis and characterization |
| title | Photoisomerization behavior of photochromic amide-based azobenzene
dyes exhibiting H-bonding effect: Synthesis and characterization |
| title_full | Photoisomerization behavior of photochromic amide-based azobenzene
dyes exhibiting H-bonding effect: Synthesis and characterization |
| title_fullStr | Photoisomerization behavior of photochromic amide-based azobenzene
dyes exhibiting H-bonding effect: Synthesis and characterization |
| title_full_unstemmed | Photoisomerization behavior of photochromic amide-based azobenzene
dyes exhibiting H-bonding effect: Synthesis and characterization |
| title_short | Photoisomerization behavior of photochromic amide-based azobenzene
dyes exhibiting H-bonding effect: Synthesis and characterization |
| title_sort | photoisomerization behavior of photochromic amide-based azobenzene
dyes exhibiting h-bonding effect: synthesis and characterization |
| topic | RS Pharmacy and materia medica |
| url | http://irep.iium.edu.my/51073/ http://irep.iium.edu.my/51073/ http://irep.iium.edu.my/51073/ http://irep.iium.edu.my/51073/1/44._Korean_Journal_of_Chemical_Engineering.pdf http://irep.iium.edu.my/51073/4/51073-Photoisomerization_behavior_of_photochromic_amide-based_SCOPUS.pdf http://irep.iium.edu.my/51073/5/51073-Photoisomerization_behavior_of_photochromic_amide-based_WOS.pdf |